.box {
    position: relative;

    &>div {
        width: 6px;
        height: 13px;
    }

    .box_left {
        position: absolute;
        left: 0px;
        top: 0px;
        background-color: #C0D6FB ;
    }

    .box_right {
        position: absolute;
        left: 3px;
        top: 2px;
        background-color: #3CAAB7 ;
    }
}